Ottavino had 7 BB+HBP in 81 PA against LHP and their success against him was largely on the back of a .392 BABIP. His command is miles above Cousins so comparing them is pretty pointless. Plus Ottavino's arsenal is more diverse than Cousins.
Ottavino's aresenal last year: SL - 43%, SI - 33%, 4FB - 12%, CH - 7%, CU - 5%,
Cousins' arsenal last year: SL - 56%, SI - 43%, CH - 1%